1. The Soil Texture Wizard- The Soil Texture Wizard is a set of R functions designed to produce texture triangle plots. It also allows to classify soil textures data according to a classification, and to transform them according to different texture particle size class systems.

8. kinfit/mkin - fit chemical degradation- kinfit and mkin are implementations of the kinetic models and evaluation procedures recommended by in the final report of the FOCUS work group on degradation kinetics, version 2.0 2006.

9. vegan - Community Ecology Package- 'vegan' is a CRAN package for the analysis of ecological communities. It has tools for analysing ecological diversity, and for the multivariate analysis of communities (NMDS, pCCA, pRDA etc.)